20269536

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:197

約数の個数: 144

約数和(自身を含む): 64350720

約数和(自身を除く): 44081184

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 49, 56, 62, 84, 93, 96, 98, 112, 124, 139, 147, 168, 186, 196, 217, 224, 248, 278, 294, 336, 372, 392, 417, 434, 496, 556, 588, 651, 672, 744, 784, 834, 868, 973, 992, 1112, 1176, 1302, 1488, 1519, 1568, 1668, 1736, 1946, 2224, 2352, 2604, 2919, 2976, 3038, 3336, 3472, 3892, 4309, 4448, 4557, 4704, 5208, 5838, 6076, 6672, 6811, 6944, 7784, 8618, 9114, 10416, 11676, 12152, 12927, 13344, 13622, 15568, 17236, 18228, 20433, 20832, 23352, 24304, 25854, 27244, 30163, 31136, 34472, 36456, 40866, 46704, 48608, 51708, 54488, 60326, 68944, 72912, 81732, 90489, 93408, 103416, 108976, 120652, 137888, 145824, 163464, 180978, 206832, 211141, 217952, 241304, 326928, 361956, 413664, 422282, 482608, 633423, 653856, 723912, 844564, 965216, 1266846, 1447824, 1689128, 2533692, 2895648, 3378256, 5067384, 6756512, 10134768, 20269536]

約数ペア:

[(1, 20269536), (2, 10134768), (3, 6756512), (4, 5067384), (6, 3378256), (7, 2895648), (8, 2533692), (12, 1689128), (14, 1447824), (16, 1266846), (21, 965216), (24, 844564), (28, 723912), (31, 653856), (32, 633423), (42, 482608), (48, 422282), (49, 413664), (56, 361956), (62, 326928), (84, 241304), (93, 217952), (96, 211141), (98, 206832), (112, 180978), (124, 163464), (139, 145824), (147, 137888), (168, 120652), (186, 108976), (196, 103416), (217, 93408), (224, 90489), (248, 81732), (278, 72912), (294, 68944), (336, 60326), (372, 54488), (392, 51708), (417, 48608), (434, 46704), (496, 40866), (556, 36456), (588, 34472), (651, 31136), (672, 30163), (744, 27244), (784, 25854), (834, 24304), (868, 23352), (973, 20832), (992, 20433), (1112, 18228), (1176, 17236), (1302, 15568), (1488, 13622), (1519, 13344), (1568, 12927), (1668, 12152), (1736, 11676), (1946, 10416), (2224, 9114), (2352, 8618), (2604, 7784), (2919, 6944), (2976, 6811), (3038, 6672), (3336, 6076), (3472, 5838), (3892, 5208), (4309, 4704), (4448, 4557)]